For each of the following vector fields F, decide whether it is conservative or not by computing the appropriate first order partial derivatives. Type in a potentialfunction f (that is, ∇f = F) with f(0,0)=0. If it is not conservative, type N.
A. F(x, y)=(−16x+2y)i+(2x+10y) j f(x, y)=
B. F(x, y)=−8yi−7xj f(x, y)=
C. F(x, y)=(−8sin y)i+(4y−8xcosy)j f(x, y)=

(A)

(B)

But we assume is a function of alone, so there is not potential function here.

(C)

For (A) and (C), we have , which makes for both.

image result for what is another name for consecutive interior angles? ​

when two lines are crossed by another line (called the transversal): the pairs of angles on one side of the transversal but inside the two lines are called consecutive interior angles. in this example, these are consecutive interior angles: d and f.

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the answer is 489

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